package main

import "fmt"

func testa() {
	fmt.Println("aaaaaaaaaaaaaaaaa")
}

func testb(x int) {
	var a [10]int
	a[x] = 111
}

func testc() {
	fmt.Println("cccccccccccccccccc")
}

func main() {
	testa()
	testb(20)
	testc()
}

// panic: runtime error: index out of range
